After receiving a disturbing call about her sister's sudden disappearance, one twin returns to her hometown, where an investigation is already underway.

Leni walks a precarious line as she scrambles to keep up appearances and look for answers about what happened in Mt. Echo over the past year.

Leni reconnects with old friends and realizes that Gina may be closer than she thought. Later, the whole town shows up to the twins' birthday party.

Painful memories resurface for Gina as she reflects on her childhood with Leni, bringing new revelations to light.

In the midst of an intense investigation, Sheriff Floss brings both sisters in for questioning, and Leni and Gina tell two very different stories.

On the run and with nowhere left to hide, Leni and Gina must finally face their past — and each other.